Bulk SMS Service Provider in Thiruvananthapuram, Kerala

Q: Do you serve businesses across Thiruvananthapuram?

Yes. SmsHorizon serves organisations across Thiruvananthapuram, from IT firms at Technopark to government and capital administration, research bodies, colleges, hospitals and the tourism trade around Kovalam. We have been in business since 2011. Reach us on +91 8870-522-522 or via our contact page.

Q: Can I send SMS in Malayalam?

Yes. We support full Malayalam Unicode, so you can send messages in Malayalam to your customers across Thiruvananthapuram and Kerala. Set the message type to Unicode in the panel or pass uni in the API.

Q: Is your API built for high-volume OTP and 2FA?

Yes. Our HTTP and SMPP APIs are built for high throughput, with priority transactional routing, sub-3-second OTP delivery and detailed delivery reports.

Q: How quickly can a Thiruvananthapuram business go live?

Typically 3 to 5 days. Most of that time is the DLT registration and sender ID approval, which we handle for you. Once those clear, your account is ready and you can send your first campaign or wire up the API right away.

Q: Do you help with DLT registration?

Yes, free of charge. TRAI requires entity, header and template registration on the DLT portal for all commercial SMS. Our team walks you through the entire process and handles the paperwork.

Q: Can I pay locally and get a GST invoice?

Yes. Pay by UPI, card, netbanking or bank transfer, and we issue a GST invoice for every payment, with the same transparent pay-as-you-go pricing we offer everywhere.

Q: How much does bulk SMS cost in Thiruvananthapuram?

Bulk SMS is pay-as-you-go: you pay per message and the rate falls as your volume grows, with no setup fee or monthly rental. Transactional, OTP and promotional routes are each priced per SMS, and a longer message counts as more than one SMS.

Q: Which mobile networks do you cover in Thiruvananthapuram?

We deliver across every major network, including Jio, Airtel, Vi and BSNL, over direct operator routes. Transactional and OTP messages reach all numbers, including DND, while promotional sends follow TRAI's DND rules and the 10am to 9pm window.

Bulk SMS service provider in Thiruvananthapuram, Kerala - SmsHorizon

SMS for Kerala's capital and IT gateway

Thiruvananthapuram is the capital of Kerala and the state's original IT gateway, home to Technopark, one of India's earliest and largest technology parks.

The city brings together IT and SaaS firms across Technopark, the seat of state government and capital administration, research and space institutions including ISRO's Vikram Sarabhai Space Centre (VSSC), a dense cluster of colleges and universities, a strong healthcare network, and tourism around Kovalam and the coast.

These organisations rely on timely messaging: OTP logins, citizen and student alerts, appointment confirmations and offer campaigns.

SmsHorizon delivers all of it over direct telco connections, in Malayalam or English, trusted by 3,000+ businesses across India since 2011.

Why Thiruvananthapuram businesses choose SmsHorizon

Malayalam language support: Send SMS in Malayalam with full Unicode, alongside English
High-throughput API: HTTP and SMPP APIs for OTP and alert volumes at scale
Fast, reliable delivery: Sub-3-second OTPs and 99.9% uptime with real-time reports
DLT done for you: Free help with entity, header and template registration
Transparent pricing: Pay-as-you-go rates with a GST invoice on every payment

Use cases

How Thiruvananthapuram businesses use bulk SMS

From Technopark logins to government alerts and campus notices, here is how local teams put SMS to work every day.

IT & SaaS

OTP logins, 2FA codes and account alerts for Technopark firms, delivered through a high-throughput API with priority routing.

Government & administration

Citizen alerts, appointment and service notifications and OTP-based logins for capital administration and public bodies.

Education & research

Admission and fee reminders, exam schedules and result alerts for colleges, universities and research institutions.

Healthcare

Appointment reminders, report-ready alerts and OTP-based patient logins for the city's hospitals and clinics.

Bulk SMS coverage across Thiruvananthapuram - Technopark, Kazhakootam, city centre, Kovalam — Delivery coverage across Thiruvananthapuram

Transactional, promotional and OTP SMS in Thiruvananthapuram

Transactional SMS carries the OTPs, service alerts and confirmations your customers expect, at the highest priority, day or night. See transactional SMS.

Promotional SMS reaches your customer base with offers and launches within TRAI's daytime window, in Malayalam or English. See promotional SMS.

Every route is DLT-compliant and registered with TRAI under the TCCCPR rules, and deliverable across Jio, Airtel, Vi and BSNL.

	Transactional SMS	Promotional SMS
Used for	OTPs, alerts, confirmations	Offers, campaigns, launches
Delivered to	All numbers, including DND	Non-DND and opted-in numbers
Sending hours	24x7	10am to 9pm (TRAI window)
Sender ID	Branded 6-character header	Branded 6-character header

Industries we serve in Thiruvananthapuram

IT, SaaS and BPOs across Technopark and Kazhakootam
Government departments and capital administration
Space, research and scientific institutions including ISRO VSSC
Colleges, universities and coaching centres
Hospitals, diagnostics and clinics
Tourism, hotels and resorts around Kovalam
Retail, showrooms and the city's banking network

2011

In business since

3,000+

Businesses across India

<3s

Typical OTP delivery

99.9%

Delivery uptime

FAQs

Bulk SMS in Thiruvananthapuram, common questions

Do you serve businesses across Thiruvananthapuram?

Yes. We serve organisations across Thiruvananthapuram, from IT firms at Technopark to government and capital administration, research bodies, colleges, hospitals and the tourism trade around Kovalam. SmsHorizon has been in business since 2011. Reach the team on +91 8870-522-522 or via our contact page.

Can I send SMS in Malayalam?

Yes. We support full Malayalam Unicode, so you can send messages in Malayalam to your customers across Thiruvananthapuram and Kerala. Set the message type to Unicode in the panel or pass uni in the API.

Is your API built for high-volume OTP and 2FA?

Yes. Our HTTP and SMPP APIs are built for high throughput, with priority transactional routing, sub-3-second OTP delivery and detailed delivery reports. See the SMS API page for details.

How quickly can a Thiruvananthapuram business go live?

Typically 3 to 5 days. Most of that time is the DLT registration and sender ID approval, which we handle for you. Once those clear, your account is ready and you can send your first campaign or wire up the API right away.

Do you help with DLT registration?

Yes, free of charge. TRAI requires entity, header and template registration on the DLT portal for all commercial SMS. Our team walks you through the entire process and handles the paperwork.

Can I pay locally and get a GST invoice?

Yes. Pay by UPI, card, netbanking or bank transfer, and we issue a GST invoice for every payment. See our pricing page or payment options for details.

How much does bulk SMS cost in Thiruvananthapuram?

Bulk SMS is pay-as-you-go: you pay per message and the rate falls as your volume grows, with no setup fee or monthly rental. Transactional, OTP and promotional routes are each priced per SMS, and a longer message counts as more than one SMS. See our pricing page for current rates.

Which mobile networks do you cover in Thiruvananthapuram?

We deliver across every major network, including Jio, Airtel, Vi and BSNL, over direct operator routes. Transactional and OTP messages reach all numbers, including DND, while promotional sends follow TRAI's DND rules and the 10am to 9pm window.

Service area